chore: implement a test for tenant creation

filip/clients/ngsi_ld/cb.py

@@ -62,7 +62,7 @@ def __init__(self,
         #base_http_client overwrites empty header with FiwareHeader instead of FiwareLD
         init_header = FiwareLDHeader()
         if fiware_header:
-            init_header=fiware_header
+            init_header = fiware_header
 
         super().__init__(url=url,
                          session=session,
@@ -71,7 +71,7 @@ def __init__(self,
         # set the version specific url-pattern
         self._url_version = NgsiURLVersion.ld_url
         # init Content-Type header , account for @context field further down
-        self.headers.update({'Content-Type':'application/json'})
+        self.headers.update({'Content-Type': 'application/json'})
         if init_header.ngsild_tenant is not None:
             self.__make_tenant()
 

tests/clients/test_ngsi_ld_cb.py

@@ -85,6 +85,22 @@ def test_management_endpoints(self):
         self.assertIsNotNone(self.client.get_version())
         # TODO: check whether there are other "management" endpoints
 
+    @unittest.skip("Only for local testing environment")
+    def test_not_existing_tenant(self):
+        """
+        Test the expected behavior of the client when the tenant does not exist
+        This test will not be included in the CI/CD pipeline. For local testing please
+        comment out the decorator.
+        """
+        # create uuid for the tenant
+        import uuid
+        tenant = str(uuid.uuid4()).split('-')[0]
+        fiware_header = FiwareLDHeader(ngsild_tenant=tenant)
+        client = ContextBrokerLDClient(fiware_header=fiware_header,
+                                       url=settings.LD_CB_URL)
+        entities = client.get_entity_list()
+        self.assertEqual(len(entities), 0)
+
     def test_statistics(self):
         """
         Test statistics of context broker client